More astrophysics illustrations

Astrophysics

Elliptical orbit

Astrophysics

Projected surface element

Astrophysics

Bohr radius marker

Astrophysics

Horizon distance marker

Astrophysics

Galactic disk edge on

Astrophysics

Kuiper belt object lumpy

Astrophysics

Gamma ray photon

Astrophysics

Outer accretion disk